#include <stdio.h>
 
int main()
{
	   const int  LENGTH = 10;
	      const int  WIDTH  = 5;
	         const char NEWLINE = '\n';
		    int area;  
		       
		       area = LENGTH * WIDTH;
		          printf("value of area : %d", area);
			     printf("%c", NEWLINE);
			      
			        return 0;
}
